G

Grades calculator

GPA Calculator

Calculate a college semester GPA on a standard unweighted 4.0 scale from letter grades and credits.

CourseGradeCredits
Semester GPA3.485
Total credits13
Total quality points45.3

This calculator uses a standard unweighted 4.0 scale.

FormulaGPA = Total Quality Points ÷ Total Credits
Calculation steps
  1. Quality points = Σ (grade points × course credits) = 45.3
  2. 45.3 ÷ 13 = 3.485

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How it works

How to use this gpa calculator

  1. Enter each course name, letter grade, and credit value.
  2. Use the standard 4.0 scale shown in the grade list.
  3. Read the semester GPA, credits, and quality points.

Formula

The calculation formula

GPA = Total Grade Points ÷ Total Credits
01

Convert each letter grade to grade points.

02

Multiply grade points by course credits.

03

Divide total quality points by total credits.

Worked examples

Example calculations

Credit-weighted semester

An A in a 3-credit course contributes 12 quality points; a B+ in a 4-credit course contributes 13.2 quality points.

Zero-credit rows are ignored

Courses with missing or zero credits do not change total quality points or GPA.

When to use it

Common use cases

  • Estimate a semester GPA
  • Test different grade scenarios
  • Understand the effect of course credits

Limits

Assumptions and limits

  • Uses an unweighted 4.0 college scale: A=4.0 through F=0. No Honors or AP bonus.
  • A+ is not a separate value in this version.
  • Courses with credits less than or equal to zero are skipped.

Questions

Frequently asked questions

Does this calculator include weighted AP or honors grades?

No. This page is college unweighted 4.0 only. Use the High School GPA Calculator for Regular, Honors, AP, and IB weights, or Cumulative GPA to merge terms you already averaged.

Why do credits matter?

A course with more credits contributes more to the overall GPA than a course with fewer credits.

Sources

Sources and review